/* ============================================================================
   ArbeitsHub Buchhaltung – gemeinsames Design für die Buchhaltungs-Seiten
   ============================================================================
   Nutzt ArbeitsHubs Design-Tokens (blauer Akzent, Dark-Mode über
   :root.dark, Theme-Key "arbeitshub_theme"). Wird von buchen.html,
   hauptbuch.html, kontenblaetter.html, kontenrahmen.html eingebunden;
   das Kopf-Markup rendert buchh-ui.js.
   ========================================================================= */

:root {
  --bg: #eef1f8;
  --panel: #ffffff;
  --border: #e0e4ee;
  --text: #1c2130;
  --muted: #6b7280;
  --accent: #1d4ed8;
  --accent-dark: #1e40af;
  --accent-soft: #e8edfc;
  --accent2: #2563eb;
  --radius: 14px;
  --ok: #16a34a;
  --ok-soft: #dcfce7;
  --danger: #dc2626;
  --danger-soft: #fee2e2;
}
:root.dark {
  --bg: #14151f;
  --panel: #1c1e2b;
  --border: #2b2e40;
  --text: #eceefa;
  --muted: #9296ac;
  --accent: #60a5fa;
  --accent-dark: #3b82f6;
  --accent-soft: rgba(96,165,250,.14);
  --accent2: #93c5fd;
  --ok: #4ade80;
  --ok-soft: rgba(74,222,128,.16);
  --danger: #f87171;
  --danger-soft: rgba(248,113,113,.16);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background:
    radial-gradient(circle at 12% 8%, rgba(29,78,216,.06), transparent 40%),
    radial-gradient(circle at 90% 15%, rgba(37,99,235,.06), transparent 45%),
    var(--bg);
  color: var(--text);
}
a { color: inherit; }

/* ---------- Kopfzeile ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 32px;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
:root.dark .site-header { background: rgba(20,21,31,.9); }
.site-logo { display: flex; align-items: center; gap: 9px; font-weight: 800; font-size: 17px; text-decoration: none; letter-spacing: -.01em; color: var(--text); }
.logo-mark { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border-radius: 9px; background: linear-gradient(135deg, #4f46e5, #db2777 60%, #f59e0b); color: #fff; }
.header-right { display: flex; align-items: center; gap: 8px; }
.firma-badge { font-size: 12px; font-weight: 700; color: var(--accent-dark); background: var(--accent-soft); padding: 7px 11px; border-radius: 9px; max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.menu-toggle { display: flex; align-items: center; gap: 9px; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 9px 14px; font-weight: 700; font-size: 13.5px; font-family: inherit; cursor: pointer; color: var(--text); }
.menu-toggle:hover { border-color: var(--accent); }
.menu-toggle-bars { display: inline-flex; flex-direction: column; gap: 3px; }
.menu-toggle-bars span { width: 16px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
.menu-toggle[aria-expanded="true"] .menu-toggle-bars span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle-bars span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle-bars span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }
.theme-toggle-icon-light { display: none; }
:root.dark .theme-toggle-icon-dark { display: none; }
:root.dark .theme-toggle-icon-light { display: inline; }

.menu-anchor { position: relative; }
.menu-panel {
  position: absolute; z-index: 9999; top: calc(100% + 8px); right: 0; width: 300px; max-height: 82vh; overflow-y: auto;
  background: var(--panel); border: 1px solid var(--border); border-radius: 16px;
  box-shadow: 0 24px 50px rgba(20,20,50,.18); padding: 10px;
  display: flex; flex-direction: column; gap: 3px;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
:root.dark .menu-panel { box-shadow: 0 24px 50px rgba(0,0,0,.55); }
.menu-panel.open { opacity: 1; visibility: visible; transform: translateY(0); }
.menu-item { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 11px; text-decoration: none; color: var(--text); transition: background .15s ease; }
.menu-item:hover { background: var(--accent-soft); }
.menu-group-label { font-size: 10.5px; font-weight: 800; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); padding: 12px 12px 4px; }
.menu-item-icon { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border-radius: 10px; background: var(--accent-soft); font-size: 17px; flex-shrink: 0; }
.menu-item strong { display: block; font-size: 13.5px; }
.menu-item small { display: block; font-size: 11.5px; color: var(--muted); margin-top: 1px; }

/* ---------- Unternavigation der Buchhaltung ---------- */
.buchh-subnav {
  display: flex; gap: 6px; flex-wrap: wrap;
  padding: 10px 32px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 61px; z-index: 90;
}
.buchh-subnav a {
  font-size: 12.5px; font-weight: 700; text-decoration: none; color: var(--muted);
  padding: 7px 12px; border-radius: 9px; border: 1px solid transparent;
}
.buchh-subnav a:hover { color: var(--accent); background: var(--accent-soft); }
.buchh-subnav a.active { color: var(--accent-dark); background: var(--accent-soft); border-color: var(--border); }
.buchh-subnav a.back { color: var(--muted); }

/* ---------- Hero ---------- */
.tool-hero {
  padding: 34px 32px 30px;
  background: linear-gradient(135deg, var(--accent) 0%, #1e3a8a 45%, var(--accent2) 100%);
  color: #fff;
}
.tool-hero h1 { margin: 0 0 6px; font-size: 24px; letter-spacing: -.02em; }
.tool-hero p { margin: 0; color: rgba(255,255,255,.92); font-size: 14px; max-width: 720px; line-height: 1.55; }

/* ---------- Inhalt ---------- */
.wrap { max-width: 1180px; margin: 0 auto; padding: 24px 32px 70px; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 24px; box-shadow: 0 1px 2px rgba(20,20,50,.04), 0 8px 20px rgba(20,20,50,.04); margin-bottom: 18px; }
.panel h2 { margin: 0 0 14px; font-size: 15.5px; }

.field { margin-bottom: 14px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.row4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 12px; }
@media (max-width: 780px) { .row2, .row3, .row4 { grid-template-columns: 1fr; } }
label { display: block; font-size: 12.5px; font-weight: 700; color: var(--muted); margin-bottom: 5px; }
input, select, textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 9px; font-size: 14px; font-family: inherit; background: var(--bg); color: var(--text); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
textarea { resize: vertical; min-height: 60px; }
.hint { font-size: 11.5px; color: var(--muted); margin-top: 4px; line-height: 1.5; }
.checkline { display: flex; align-items: center; gap: 8px; margin: 14px 0; }
.checkline input { width: auto; }
.checkline label { margin: 0; }

.btn { cursor: pointer; border: none; border-radius: 10px; padding: 11px 18px; font-size: 13.5px; font-weight: 700; font-family: inherit; display: inline-flex; align-items: center; gap: 8px; text-decoration: none; }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff; }
.btn-primary:hover { opacity: .92; }
.btn-secondary { background: var(--bg); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: .9; }
.btn-small { background: var(--bg); border: 1px solid var(--border); color: var(--muted); border-radius: 7px; padding: 6px 10px; font-size: 11.5px; font-weight: 700; cursor: pointer; font-family: inherit; }
.btn-small:hover { border-color: var(--accent); color: var(--accent); }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; padding: 9px 8px; border-bottom: 2px solid var(--accent); font-size: 10.5px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
td { padding: 9px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
tr:hover td { background: var(--accent-soft); }
th.num, td.num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.table-scroll { overflow-x: auto; }
.empty-row td { text-align: center; color: var(--muted); padding: 26px 8px; }

.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 11px; font-weight: 800; }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.warn { background: #fff3dc; color: #92610c; }
.badge.danger { background: var(--danger-soft); color: var(--danger); }
.badge.muted { background: var(--accent-soft); color: var(--muted); }

.status-line { display: flex; align-items: flex-start; gap: 10px; background: var(--accent-soft); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; font-size: 12.5px; color: var(--muted); line-height: 1.6; margin-bottom: 18px; }
.status-line strong { color: var(--text); }
.status-line.warn { background: #fff8e6; border-color: #f0dba3; color: #7a5a10; }
:root.dark .status-line.warn { background: rgba(245,158,11,.12); border-color: rgba(245,158,11,.35); color: #fde3ab; }

.hidden { display: none !important; }
footer { text-align: center; padding: 30px 20px 50px; font-size: 12.5px; color: var(--muted); }